485     colnr_T	offset;		// pointer along new line  in block_insert()  local
509 	    offset = bdp->textcol;  in block_insert()
519 		offset = bdp->textcol + bdp->textlen - (spaces != 0);  in block_insert()
527 		offset = bdp->textcol + bdp->textlen;  in block_insert()
538 		off = (*mb_head_off)(oldp, oldp + offset + spaces);  in block_insert()
542 		off = (*mb_off_next)(oldp, oldp + offset);  in block_insert()
543 		offset += off;  in block_insert()
556 	mch_memmove(newp, oldp, (size_t)(offset));  in block_insert()
557 	oldp += offset;  in block_insert()
560 	vim_memset(newp + offset, ' ', (size_t)spaces);  in block_insert()
561 	startcol = offset + spaces;  in block_insert()
565 	offset += s_len;  in block_insert()
570 	    vim_memset(newp + offset + spaces, ' ', (size_t)(ts_val - spaces));  in block_insert()
578 	    offset += count;  in block_insert()
579 	STRMOVE(newp + offset, oldp);  in block_insert()
592 	    curbuf->b_op_end.col = offset;  in block_insert()
1465     int			offset = 0;  in op_insert()  local
1648 		offset = (start_insert.col - Insstart.col);  in op_insert()
1649 		add -= offset;  in op_insert()
1650 		if (oap->end_vcol > offset)  in op_insert()
1651 		    oap->end_vcol -= (offset + 1);  in op_insert()
1662 			   (long)STRLEN(firstline) - pre_textlen - offset) > 0)  in op_insert()
1691     long		offset;  in op_change()  local
1798 			offset = bd.textcol;  in op_change()
1799 			vim_memset(newp + offset, ' ', (size_t)vpos.coladd);  in op_change()
1800 			offset += vpos.coladd;  in op_change()
1801 			mch_memmove(newp + offset, ins_text, (size_t)ins_len);  in op_change()
1802 			offset += ins_len;  in op_change()
1804 			STRMOVE(newp + offset, oldp);  in op_change()